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Scientists from AIST, JOGMEC, Georgia Tech, and the USGS prepare to analyze pressure cores as part of a multi-year gas hydrates research project in Japan. Left to right: Carlos Santamarina (Georgia Tech) and David Mason (USGS). A ball valve is in the process of being opened, which allows a core to be moved under pressure from a storage chamber (foreground) into the US IPTC test device (background).